As minimum requirements, rigid portland cement paving shall be expansion-joint-type paving utilizing joints similar to Type A expansion joints, according to the Standard Construction Details of the New Jersey Department of Transportation, shall be reinforced, constructed with Class B air-entrained concrete and shall have a minimum thickness of 6 1/2 inches for local, local collector and minor collector streets and eight inches for other classifications. Flexible bituminous concrete pavements shall have an equivalent structural depth of at least 10 inches for local, local collector and minor collector streets, having a minimum wearing surface of not less than 1 1/2 inches of pavement, Type FABC-1, a minimum bituminous stabilized base course of not less than 2 1/2 inches and a dense graded aggregate base course to provide the remaining depth; and an equivalent structural depth of at least 13 inches for other street classifications, having a minimum wearing surface of not less than two inches of pavement, Type FABC-1, a minimum bituminous stabilized base course of not less than three inches and a dense graded aggregate base to provide the remaining depth. Bituminous stabilized base may be substituted for aggregate base on a one to three ratio (stabilized base to aggregate base), all in accordance with the applicable requirements of the Standard Specifications.